Product Description
The Variable Voltage Adapter 12V-24V 5A 90W (NS-LC90A) is a versatile, heavy-duty power supply engineered to deliver reliable, selectable DC voltages for a wide variety of electronics, lab equipment, laptops, and custom power projects. Featuring a robust 90W maximum output with adjustable voltage settings ranging from 12V to 24V DC and a steady 5A current capacity, this desktop adapter adapts effortlessly to diverse power requirements.
Essential for powering test benches, charging specialized electronics, driving high-draw LED arrays, or running portable monitors and routers, this regulated power adapter combines multiple interchangeable output connectors with robust short-circuit and overload protection.
⚠️ Voltage Safety Tip: Always verify the correct voltage setting required by your device before plugging in and switching on the adapter. Setting the voltage too high can permanently damage sensitive electronics.
Technical & Architectural Highlights
Selectable Voltage Outputs: Easily adjustable voltage switch accommodates multiple DC levels (typically 12V, 15V, 16V, 18V, 19V, 20V, 22V, and 24V) to match precise device specifications.
Robust 90W Capacity: Delivers up to 5 Amps of stable current, providing ample headroom for power-hungry devices and workshop loads.
Interchangeable DC Tip Set: Includes a comprehensive assortment of plug tips to fit various jack sizes found on laptops, routers, and test instruments.
Built-In Protection Circuitry: Features comprehensive safeguards against over-voltage, over-current, and short circuits to protect your connected equipment.
Technical Specifications
| Parameter | Value / Specification |
| Product Type | Universal Adjustable DC Power Adapter |
| Model | NS-LC90A |
| Input Voltage | AC 100V – 240V (50/60Hz) Universal Worldwide Input |
| Output Voltage | Adjustable: 12V / 15V / 16V / 18V / 19V / 20V / 22V / 24V DC |
| Max Output Current | 5.0A Max |
| Max Power Output | 90 Watts |
| Connector Set | Multi-tip interchangeable DC barrel connectors |
Applications
Workshop Test Benches: Providing a variable, regulated DC power source for testing electronics, motors, and prototype circuits.
Replacement Laptop & Monitor Power Supply: Serving as a universal backup charger for various portable computers and desktop displays.
Networking & Industrial Gear: Powering routers, switches, CCTV camera systems, and LED lighting installations requiring specialized voltages.
What’s in the Box
1 x Variable Voltage Adapter 90W (NS-LC90A) with AC power cord and multi-tip connector set.
All your power supplies, adapters, and electronic components are available with fast shipping across Egypt from Pro Tronix!






